slow starting

I have very recently purchased a A160 automatic (58) and have been told by a mechanic that there is a problem with the gearbox. I took it back to the garage under the 1 month warranty but they say they can't find anything wrong?! I am used to driving a bigger (V6 3.7L) automatic, so expected...

Hello all. I have rough idling and occasional slow starting in my c270 cdi so I took your advice and replaced the o rings. I changed 4 of the o rings today, the one by the fuel filter, the rail and the 2 on the fuel pump. It seems to be slightly better now and there are no bubbles when it is...